body, header, ul, li, img, label, input, section, div {
  padding: 0;
  margin: 0;
  border: 0; }

body header ul li {
  display: inline-block; }
  body header ul li img {
    margin: 2px;
    width: 100%;
    height: auto; }
body section div {
  position: absolute;
  display: inline-block; }
  body section div img {
    margin: 2px;
    display: none; }
  body section div input[type="radio"] {
    display: none; }
    body section div input[type="radio"]:checked + img {
      display: inline;
      width: 200%;
      height: auto; }

